Privilege escalation in Red Hat Build Of Keycloak 26.4
CVE-2025-13881
A flaw was found in Keycloak Admin API. This vulnerability allows an administrator with limited privileges to retrieve sensitive custom attributes via the /unmanagedAttributes endpoint, bypassing User Profile visibility settings.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Red Hat Build Of Keycloak 26.4 — versions 26.4.9-1, 26.4-11, 26.4-10
- Red Hat Build Of Keycloak 26.4.9
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2026:2365 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:2366 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-13881 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
Frequently asked questions
- What is CVE-2025-13881?
- CVE-2025-13881 is a low-severity vulnerability in Red Hat Build Of Keycloak 26.4, classified under Incorrect Privilege Assignment. CVSS score: 2.7/10. Published 2026-02-02.
- How severe is CVE-2025-13881?
- Low severity. CVSS v3 base score is 2.7 out of 10.